DarthDovimus

I have installed my kotor2 and it said i did not have the right graphics card so i downloaded it... after an hour of waiting i tried to start it and again it said my pc did not support it once again. since i had installed the new GC i uninstalled kotor2 and restarted my system to rienstll it. now my hp wth vista recongnizes the disk but when i click on autorun won't even go to the installation screen plz help!